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<title>基于CW32的电压电流表: D:/09电压电流表训练营/CW32F030C8T6_VAmeter_release/APP/sht40.h 源文件</title>
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   <div id="projectname">基于CW32的电压电流表<span id="projectnumber">&#160;V1.0.0</span>
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   <div id="projectbrief">一款物联网多功能电压电流表</div>
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  <div class="headertitle"><div class="title">sht40.h</div></div>
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<a href="sht40_8h.html">浏览该文件的文档.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span> </div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="preprocessor">#ifndef SHT40_H_</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="preprocessor">#define SHT40_H_</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="preprocessor">    #include &quot;board.h&quot;</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="preprocessor">    #include &quot;<a class="code" href="key_8h.html">key.h</a>&quot;</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="preprocessor">    #include &quot;<a class="code" href="_g_u_i_8h.html">GUI.h</a>&quot;</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="preprocessor">    #include &quot;<a class="code" href="_lcd___driver_8h.html">Lcd_Driver.h</a>&quot;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="preprocessor">    #include &lt;math.h&gt;</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span>    <span class="comment">//定义SCL和SDA的引脚</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="preprocessor">    #define SDA_PIN     GPIO_PIN_5</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="preprocessor">    #define SDA_PORT    CW_GPIOA</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="preprocessor">    #define SCL_PIN     GPIO_PIN_6</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="preprocessor">    #define SCL_PORT    CW_GPIOA</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="preprocessor">    #define READ_SDA() GPIO_ReadPin(SDA_PORT, SDA_PIN)</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="preprocessor">    #define SDA_HIGH() GPIO_WritePin(SDA_PORT, SDA_PIN, GPIO_Pin_SET)</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="preprocessor">    #define SDA_LOW()  GPIO_WritePin(SDA_PORT, SDA_PIN, GPIO_Pin_RESET)</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="preprocessor">    #define SCL_HIGH() GPIO_WritePin(SCL_PORT, SCL_PIN, GPIO_Pin_SET)</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="preprocessor">    #define SCL_LOW()  GPIO_WritePin(SCL_PORT, SCL_PIN, GPIO_Pin_RESET)</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span> </div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span>    <span class="comment">// SHT40操作</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="preprocessor">    #define SHT40_ADDRESS 0x44 </span><span class="comment">// SHT40的I2C地址</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="preprocessor">    #define SHT40_COMMAND_MEASURE_HIGH_PRECISION 0xFD  </span><span class="comment">//要发送的命令 0XFD</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span>    <span class="keywordtype">void</span> SHT40_Show_Temp_Humid(<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span> </div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="preprocessor">#endif</span></div>
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<div class="ttc" id="a_lcd___driver_8h_html"><div class="ttname"><a href="_lcd___driver_8h.html">Lcd_Driver.h</a></div><div class="ttdoc">LCD屏幕驱动头文件</div></div>
<div class="ttc" id="akey_8h_html"><div class="ttname"><a href="key_8h.html">key.h</a></div><div class="ttdoc">按键相关操作的头文件</div></div>
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